14. A REVIEW ON AUTOMATIC CRACK IN TRACK AND OBSTACLE DETECTION IN RAILWAY.

- The Indian Railway consists one of the larges trail way net works in the whole world, crises – crossing more than 1,15,000 km in distance, all over Indian. Anyway, as to unwavering quality, reliability and traveler wellbeing of Indian Railway doesn't depend on the worldwide principles. Among different variables, the breaks are created on the rail line tracks because of nonappearance of the wasteful ideal location. Our work includes a venture that points of planning a rail route break identification framework ( RCD S ) utilizing ultrasonic sensor, The GSM ( Global system for mobile communications ), GPS ( Global Positioning System ) and Arduino based module whose implementation is an efficient method of detecting the cracksWhich is present in the tracks and thus avo iding derailment of the trains.